Proske, Ulrike; Hanebuth, Till J J; Gröger, Jens; Diem, Bui Phat (2010): Sedimentological and palynological study of sediment cores from the northern Mekong River Delta. PANGAEA, https://doi.org/10.1594/PANGAEA.743530, Supplement to: Proske, U et al. (2011): Late Holocene sedimentary and environmental development of the northern Mekong River Delta, Vietnam. Quaternary International, 230(1-2), 57-66, https://doi.org/10.1016/j.quaint.2009.11.032
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A sedimentological and palynological study of three sediment cores from the northern Mekong River Delta shows the regional sedimentary and environmental development since the mid-Holocene sea level highstand. A sub- to intertidal flat deposit of mid-Holocene age is recorded in the northernmost core. Shoreline deposits in all three cores show descending ages from N to S documenting 1) the early stages of the late Holocene regression and 2) the subsequent delta progradation. The delta plain successions vary from floodplain deposits with swamp-like elements to natural levee sediments. The uppermost sediments in all cores show human disturbance to varying degrees. The most intense alteration is recorded in the northernmost core where the palynological signal together with a charcoal peak indicates the profound change of the environment during the modern land reclamation.
The sediments from at least one of the three presented cores do not show a "true" delta facies succession, but rather estuary-like features, as also observed in records from southern Cambodia. This absence is probably due to lack of accommodation space during the initial phase of rapid delta progradation which impeded the development of "true" delta successions as shown in cores from the southern Mekong River Delta.
Median Latitude: 10.594973 * Median Longitude: 106.214612 * South-bound Latitude: 10.339700 * West-bound Longitude: 105.883600 * North-bound Latitude: 10.779400 * East-bound Longitude: 106.435800
Date/Time Start: 2007-03-01T00:00:00 * Date/Time End: 2007-03-01T00:00:00
GGM07-02 (GGM) * Latitude: 10.779400 * Longitude: 105.883600 * Date/Time: 2007-03-01T00:00:00 * Recovery: 4.1 m * Method/Device: Hand auger (drill) (HADR)
GGN07-01 (GGN) * Latitude: 10.339700 * Longitude: 106.376700 * Date/Time: 2007-03-01T00:00:00 * Recovery: 2.3 m * Method/Device: Hand auger (drill) (HADR)
Datasets listed in this publication series
- Proske, U; Hanebuth, TJJ; Gröger, J et al. (2010): (Table 2) Radiocarbon ages for the three presented sediment cores. https://doi.org/10.1594/PANGAEA.743529
- Proske, U; Hanebuth, TJJ; Gröger, J et al. (2010): Grain size measurements, carbon content and sulphur content of sediment core GGN. https://doi.org/10.1594/PANGAEA.743528
- Proske, U; Hanebuth, TJJ; Gröger, J et al. (2010): Grain size measurements, carbon content, sulphur content and pollen analysis of sediment core GGM. https://doi.org/10.1594/PANGAEA.743527
- Proske, U; Hanebuth, TJJ; Gröger, J et al. (2010): Grain size measurements, carbon content, sulphur content and pollen analysis of sediment core TA. https://doi.org/10.1594/PANGAEA.743526